We currently have an Exchange Server 2003 Server. We have a seperate Domain Controller that has AVG Antivirus and AVG Admin and every client computer in the domain has AVG installed and managed by AVG Admin.

Well now we got this Exchange server up and running, we though we should purchase AVG Email Server Edition. But I thought why would we need that if we already have AVG on the clients scanning the emails for viruses. I would rather put the money into GFI Mail Essentials for spam, that is the worst problem...

My question is...What does AVG Email Server Edition actually do and in this set up do we need it or would you recommend us purchasing GFI Mail Essentials instead?

AVG is an antivirus product.
GFI Mail Essentials is an anti spam product.

The equivalent product from GFI for AVG is GFI Mail Security. That has scanning technology from GFI built in.

However as you have AVG on the desktops, I would suggest looking elsewhere for AV for Exchange. If you buy AVG email AV software then your protection is coming from one vendor. If they haven't caught up then you are stuck.
Use another vendor and you get a further level of protection. The theory being if one doesn't catch it, another will.
You could look at GFI Mail Security as it has other vendors as well as GFI providing the engines.

Yeah I understand what youo are saying. But why hav antivirus on the exchange server when its on the desktops? I agree with going with another vendor. But it doesnt seem like antivirus is a big issue on email servers, it seems like spam. So why not purchase something like GFI instead of AVG is what Im saying because I feel like we have it covered with antivirus.

AV is reactive.
That means you are never 100% protected against all threats. As soon as a definition file comes out, it is out of date. By using different vendors on the server compared to the desktops, you increase your coverage.

Furthermore, can you guarantee that 100% of your clients are running the latest definitions all the time? If you think you can, then you are wrong. If a machine is turned off, then it cannot get the latest definition. If you have any mobile users then you are exposed.
By having protection on the server you can ensure that all messages are scanned.

Trying to decide whether to purchase AVG AV or GFI's Mail Essentials is like trying to decide to buy a bed instead of a wardrobe. You cannot compare.

Spam upsets the users, but it will not cause downtime to the business.
Viruses and worms can cause problems which result in the loss of business.

Simon.

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